Iron check valve

  • No-Spin Poppet design for demanding installations
  • Heavy/Thick seal disk for years of service
  • Seal backed by 300 series stainless steel washer
  • Stainless steel lock nut and bolt to ensure reliability
  • Stainless steel spring does not allow Poppet to spin
  • Zinc plated body outside and inside for better corrosion resistance
  • Heavier wall thickness than competitors
  • All lead free materials and corrosion resistant

Note: Merrill 500 Series Check Valves are rated for a maximum weight of 1000 lbs. in tension (down pull)

Merrill 500 Series High Strength Lead Free Check Valves (No-Spin Poppet)

 

CVI125
CVI125

Order No. UPC Bar Code (Qty. 1) Pipe Size Diameter (in) Length (in) Approx. Wt./Lbs.
Ø CVI100 6 42367 09080 7 1″ 1.87 3.6 0.9
Ø CVI125 6 42367 09081 4 1-1/4″ 2.25 4.2 1.6
Ø CVI150 6 42367 09082 1 1-1/2″ 2.64 4.6 2.3
Ø CVI200 6 42367 09083 8 2″ 3.02 5.3 2.9
Ø CVIHD200 6 42367 09084 5 2″ 3.02 5.3 3.3

* Heavy-Duty Plated Malleable Iron Poppet & Stainless Steel Spring & Washer

 

Single Tap Check Valves (No-Spin Poppet)
One 1/8″ NPT tapping on inlet side

CVIT1251
CVIT1251

Order No. UPC Bar Code (Qty. 1) Pipe Size Diameter (in) Length (in) Inlet Tapping Approx. Wt./Lbs.
Ø CVIT1001 6 42367 09085 2 1″ 1.87 3.6 1/8″ 0.9
Ø CVIT1251 6 42367 09086 9 1-1/4″ 2.25 4.2 1/8″ 1.6
Ø CVIT1501 6 42367 09087 6 1-1/2″ 2.64 4.6 1/8″ 2.3
Ø CVIT2001 6 42367 09088 3 2″ 3.02 5.3 1/8″ 2.9
Ø CVIHDT2001 6 42367 09089 0 2″ 3.02 5.3 1/8″ 3.2

 

Double Tap Check Valves (No-Spin Poppet)
One 1/8″ NPT tapping on inlet side – one 1/4″ NPT on outlet side

CVIT1252
CVIT1252

Order No. UPC Bar Code (Qty. 1) Pipe Size Diameter (in) Length (in) Inlet Tapping Outlet Tapping Approx. Wt./Lbs.
Ø CVIT1002 6 42367 09090 6 1″ 1.87 3.6 1/8″ 1/4″ 0.9
Ø CVIT1252 6 42367 09091 3 1-1/4″ 2.25 4.2 1/8″ 1/4″ 1.6
Ø CVIT1502 6 42367 09092 0 1-1/2″ 2.64 4.6 1/8″ 1/4″ 2.3
Ø CVIT2002 6 42367 09093 7 2″ 3.02 5.3 1/8″ 1/4″ 2.9
Ø CVIHDT2002 6 42367 09094 4 2″ 3.02 5.3 1/8″ 1/4″ 3.2